. >> reporter: michael wynn is all too familiar with what it feels like to have a heart attack. that's because the 67-year-old virginia man had three of them last year. >> that's kind of the way the last year went. it seemed like every time i tried to do anything, i would have a heart attack. it's kind of a scary thing, because you'll just be doing fine, and the next minute you're going. >> reporter: after surviving the trio of heart attacks, he and his wife said he must have nine lives, but they also realize it's likely he'll have another episode, and that's no laughing matter. >> i know eventually i'm going to have one, and i won't make it. that's just the way it is. it's family history, smoker, all the odds were against me. >>eporter: wouldn't it be nice if wynn could get a warning before his next heart attack? now doctors are testing a new device called guardian, which can alert patients when there are changes in their heart function. >> a device that will help our patients decide whether, if they're having any symptoms. is a true heart attack or false alarm. >> reporter: th

his father, michael wynn, owned a string of bingo parlors.n steve was ten, his father took him to las vegas for the first time. it was 1952, and nevada was the only state in america where gambling was legal. >> your father... >> yeah. >> was a charming man. >> but a compulsive gambler. >> and you're in the gambling business. that's one of many ironies about you. >> it is, and it's accidental, but it is an irony. my father had a terrible problem with gambling. he was a guy that enjoyed that activity so much that he lost control of it. >> michael wynn died during heart surgery at age 47, leaving the family with a gambling debt of $350,000. steve wynn took over the family business, made a success of it, and paid back the money his father owed. >> i would give anything for a half hour or 15 minutes with my father, to walk him through anything that good fortune has allowed to come my way these past 40 years. >> and have him stand outside and look on the building, and it says... >> ah, wynn. he changed his name. [laughs] when he was a kid, he was w